B.E.S.T. 55048 Rubber Roof Cleaner/Protectant - 48 oz (Packaging may vary) Extends the life of your RV's rubber roof matting by cleaning and conditioning in one easy application Professional strength, non-petroleum formula Easily cleans streaks, oxidation and road film as it moisturizes, conditions and preserves your rubber roof Help prevent mold, mildew and fungus growth Size: 48 oz. bottle